Gamma

Gamma is one of the background robots drifting through the Planet Express offices, a minor coworker who turns up in crowd scenes and the odd aside rather than the main plot. She has no grand ambitions on display, just a presence among the crew, functional and easy to overlook.

Futurama's world feels lived-in precisely because of characters like Gamma, faces you register before you register a name. Tress MacNeille gives her just enough voice to feel like a real coworker rather than set dressing, which is its own quiet joke about a universe stuffed with more personality than plot has room for.